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Single Family ResidenceResidential
$488,957$263 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 78How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $172,200 on Sep 23, 2014

31 UNION ST

SACO, ME 04072
4
Beds
2.5
Baths
1,856 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
0.13 ac
Lot SizeThe size of the land the home sits on, from county records.
1880
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
9
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$489K
$381K low$597K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$172,200 · Sep 23, 2014

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,549 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$249,900 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$97,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$152,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$252,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$351,595

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Conventional
CountyYORK
Lot (acres)The size of the land the home sits on, from county records.0.13
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(1)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

H
Thornton Academy
High · Grades 6–12 · 0.3 mi
E
Young School
Elementary · Grades KG–2 · 0.8 mi
M
Saco Middle SchoolB+
Middle · Grades 6–8 · 1.9 mi

Neighborhood · ZIP 04072These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.94
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.94
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.93

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.91%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.26%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.20,950
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.510 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$84,396
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$108,623
Average tempThe average temperature here across a full year.47°F
Annual precipHow much rain and melted snow falls here in a typical year.47 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.57%

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Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

31 Union St measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Worth less than 67% of homes in Saco 04072
  • Costs less per square foot than 90% of homes in Saco 04072
  • Bigger than 71% of homes in York County
  • Has a smaller lot than 90% of homes in York County
  • Older than 95% of homes in York County

What homes are worth in Saco 04072

Each bar is how many homes fall in that price range. The marker is this home.

This home
$276K$1.5M

This home is worth more than 33% of homes in Saco 04072.

How it measures up in Saco 04072

The dot is this home. The mark in the middle is the typical home in Saco 04072.

Estimated value$488,957
CheaperTypical $570,565Pricier

Pricier than 33% of homes nearby

Price per ft²$263
CheaperTypical $364Pricier

Pricier than 10% of homes nearby

Living area1,856 ft²
SmallerTypical 1,608 ft²Bigger

Bigger than 63% of homes nearby

Lot size0.13 ac
SmallerTypical 0.38 acBigger

Bigger than 13% of homes nearby

Year built1880
OlderTypical 1985Newer

Newer than 7% of homes nearby

How 31 Union St ranks against every home in each area.
MeasureThis homeSaco 04072York County
Estimated valuepricier than$488,95733% of homes40% of homes
Price per ft²pricier than$26310% of homes10% of homes
Living areabigger than1,856 ft²63% of homes71% of homes
Lot sizebigger than0.13 ac13% of homes10% of homes
Year builtnewer than18807% of homes5% of homes

About 31 Union St

How much is 31 Union St, Saco, ME worth?

The TopHap Estimate for 31 Union St, Saco, ME is $488,957 as of Sep 24, 2026. The likely range is $380,741 to $597,173. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 31 Union St, Saco, ME last sell?

31 Union St, Saco, ME last sold on Sep 23, 2014 for $172,200, according to the county's recorded deed.

How big is 31 Union St, Saco, ME?

31 Union St, Saco, ME has 4 bedrooms, 2.5 bathrooms, 1,856 square feet of living space and a 0.13-acre lot.

When was 31 Union St, Saco, ME built?

31 Union St, Saco, ME was built in 1880, making it 146 years old. It is a conventional home. The building has 2 stories.

What schools serve 31 Union St, Saco, ME?

31 Union St, Saco, ME is assigned to Thornton Academy (high); Young School (elementary); Saco Middle School (middle), rated B+. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 31 Union St, Saco, ME compare to other homes in Saco 04072?

Among the 7,723 homes in Saco 04072, it is worth more than 33% of them ($488,957 against a typical $570,565), its price per square foot is higher than 10% of them ($263 against a typical $364), it is bigger than 63% of them (1,856 ft² against a typical 1,608 ft²), its lot is bigger than 13% of them (0.13 ac against a typical 0.38 ac) and it is newer than 7% of them (1880 against a typical 1985). Measured against all of York County, it is worth more than 40% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 31 Union St, Saco, ME?

The 2025 property tax bill for 31 Union St, Saco, ME was $3,549. The county assessed it at $249,900.

More homes on Union St

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Assigned schools

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